<template>
  <!-- 统计 -->
  <div id="container">
    <div class="div-breadcrumb">
      <el-card>
        <el-row>
          <el-col :span="24">
            <div class="grid-content bg-purple-dark">
              <el-breadcrumb separator="/">
                <el-breadcrumb-item :to="{ path: '/statistics/' }">首页</el-breadcrumb-item>
                <el-breadcrumb-item>统计分析</el-breadcrumb-item>
              </el-breadcrumb>
            </div>
          </el-col>
        </el-row>
      </el-card>
    </div>

    <div class="statistics-box">
      <div class="echart-pie-box  count-item">
        <div id="echart-pie"></div>
      </div>

      <div class="echart-line-box count-item">
        <div id="echart-line"></div>
      </div>

      <div class="echart-bar-box count-item">
        <div id="echart-bar"></div>
      </div>

      <div class="echart-dot-box count-item">
        <div id="echart-dot"></div>
      </div>

      <div class="gdp-box count-item">
        <div id="gdp"></div>
      </div>
    </div>

  </div>
</template>

<script>
import {
    articleEchartsArticleCategoryCountPie
} from '@/api/article'
import {
    countLogEcharts,
    echartsVisitRankBar
} from '@/api/system'
import * as echarts from 'echarts'

export default {
    name: 'my-statistics',
    data () {
        return {
            // 文章分类统计饼图
            basePieData: [],

            // 日志最近7天统计
            baseLineData: {
                dates: [],
                nums: []
            },

            // 访问排名前十
            baseBarData: {
                ips: [],
                nums: []
            }
        }
    },
    methods: {
    // 文章分类统计饼图
        getBaseBarData () {
            articleEchartsArticleCategoryCountPie().then((response) => {
                this.basePieData = response.data
                // 基于准备好的dom，初始化echarts实例
                var myChart = echarts.init(document.getElementById('echart-pie'))
                // 绘制图表
                myChart.setOption({
                    title: {
                        text: '文章类目分组统计',
                        left: 'top',
                        top: 'top'
                    },
                    series: [{
                        type: 'pie',
                        emphasis: {
                            label: {
                                show: true,
                                fontSize: '20',
                                fontWeight: 'bold'
                            }
                        },
                        avoidLabelOverlap: false,
                        itemStyle: {
                            borderRadius: 10,
                            borderColor: '#fff',
                            borderWidth: 2
                        },
                        label: {
                            show: true, // 显示值
                            position: 'outside', // 显示位置
                            color: '#000'
                        },
                        labelLine: {
                            show: true
                        },
                        data: this.basePieData,
                        radius: ['40%', '70%']
                    }]
                })

                myChart.on('mouseover', function (params) {
                    myChart.setOption({
                        title: {
                            text: params.name,
                            subtext: params.value,
                            left: 'center',
                            top: 'center'
                        }
                    })
                })
            })
        },

        // 最近7天访问统计
        getBaseLineData () {
            countLogEcharts().then((response) => {
                this.baseLineData.dates = response.data.dates
                this.baseLineData.nums = response.data.nums

                // 基于准备好的dom，初始化echarts实例
                var myChart = echarts.init(document.getElementById('echart-line'))
                // 绘制图表
                myChart.setOption({
                    title: {
                        text: '最近七天访问统计',
                        left: 'top',
                        top: 'top'
                    },
                    xAxis: {
                        data: this.baseLineData.dates,
                        axisLabel: {
                            rotate: 30
                        }
                    },
                    yAxis: {},
                    series: [{
                        data: this.baseLineData.nums,
                        type: 'line',
                        smooth: true,
                        label: {
                            show: true, // 显示值
                            position: 'top', // 显示位置
                            color: '#000'
                        }
                    }]
                })
            })
        },

        // 访问排名前十
        getBasePieData () {
            echartsVisitRankBar().then((response) => {
                this.baseBarData.ips = response.data.ips
                this.baseBarData.nums = response.data.nums
                // 基于准备好的dom，初始化echarts实例
                var myChart = echarts.init(document.getElementById('echart-bar'))
                // 绘制图表
                myChart.setOption({
                    title: {
                        text: '访问排名前十',
                        left: 'top',
                        top: 'top'
                    },
                    xAxis: {
                        type: 'category',
                        data: this.baseBarData.ips,
                        axisLabel: {
                            rotate: 30
                        }
                    },
                    yAxis: {
                        type: 'value'
                    },
                    series: [{
                        type: 'bar',
                        data: this.baseBarData.nums,
                        label: {
                            show: true, // 显示值
                            position: 'top', // 显示位置
                            color: '#000'
                        }
                    }]
                })
            })
        },

        getBaseDotData () {
            // 基于准备好的dom，初始化echarts实例
            var myChart = echarts.init(document.getElementById('echart-dot'))
            // 绘制图表
            myChart.setOption({
                xAxis: {
                    data: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']
                },
                yAxis: {},
                series: [{
                    type: 'scatter',
                    data: [220, 182, 191, 234, 290, 330, 310]
                }]
            })
        },

        getGdpData () {
            const data = [
                [
                    [28604, 77, 17096869, 'Australia', 1990],
                    [31163, 77.4, 27662440, 'Canada', 1990],
                    [1516, 68, 1154605773, 'China', 1990],
                    [13670, 74.7, 10582082, 'Cuba', 1990],
                    [28599, 75, 4986705, 'Finland', 1990],
                    [29476, 77.1, 56943299, 'France', 1990],
                    [31476, 75.4, 78958237, 'Germany', 1990],
                    [28666, 78.1, 254830, 'Iceland', 1990],
                    [1777, 57.7, 870601776, 'India', 1990],
                    [29550, 79.1, 122249285, 'Japan', 1990],
                    [2076, 67.9, 20194354, 'North Korea', 1990],
                    [12087, 72, 42972254, 'South Korea', 1990],
                    [24021, 75.4, 3397534, 'New Zealand', 1990],
                    [43296, 76.8, 4240375, 'Norway', 1990],
                    [10088, 70.8, 38195258, 'Poland', 1990],
                    [19349, 69.6, 147568552, 'Russia', 1990],
                    [10670, 67.3, 53994605, 'Turkey', 1990],
                    [26424, 75.7, 57110117, 'United Kingdom', 1990],
                    [37062, 75.4, 252847810, 'United States', 1990]
                ],
                [
                    [44056, 81.8, 23968973, 'Australia', 2015],
                    [43294, 81.7, 35939927, 'Canada', 2015],
                    [13334, 76.9, 1376048943, 'China', 2015],
                    [21291, 78.5, 11389562, 'Cuba', 2015],
                    [38923, 80.8, 5503457, 'Finland', 2015],
                    [37599, 81.9, 64395345, 'France', 2015],
                    [44053, 81.1, 80688545, 'Germany', 2015],
                    [42182, 82.8, 329425, 'Iceland', 2015],
                    [5903, 66.8, 1311050527, 'India', 2015],
                    [36162, 83.5, 126573481, 'Japan', 2015],
                    [1390, 71.4, 25155317, 'North Korea', 2015],
                    [34644, 80.7, 50293439, 'South Korea', 2015],
                    [34186, 80.6, 4528526, 'New Zealand', 2015],
                    [64304, 81.6, 5210967, 'Norway', 2015],
                    [24787, 77.3, 38611794, 'Poland', 2015],
                    [23038, 73.13, 143456918, 'Russia', 2015],
                    [19360, 76.5, 78665830, 'Turkey', 2015],
                    [38225, 81.4, 64715810, 'United Kingdom', 2015],
                    [53354, 79.1, 321773631, 'United States', 2015]
                ]
            ]
            // 基于准备好的dom，初始化echarts实例
            var myChart = echarts.init(document.getElementById('gdp'))
            // 绘制图表
            myChart.setOption({
                backgroundColor: new echarts.graphic.RadialGradient(0.3, 0.3, 0.8, [{
                    offset: 0,
                    color: '#f7f8fa'
                },
                {
                    offset: 1,
                    color: '#fffcdd'
                }
                ]),
                title: {
                    text: 'Life Expectancy and GDP by Country',
                    left: '5%',
                    top: '3%'
                },
                legend: {
                    right: '10%',
                    top: '3%',
                    data: ['1990', '2015']
                },
                grid: {
                    left: '8%',
                    top: '10%'
                },
                xAxis: {
                    splitLine: {
                        lineStyle: {
                            type: 'dashed'
                        }
                    }
                },
                yAxis: {
                    splitLine: {
                        lineStyle: {
                            type: 'dashed'
                        }
                    },
                    scale: true
                },
                series: [{
                    name: '1990',
                    data: data[0],
                    type: 'scatter',
                    symbolSize: function (data) {
                        return Math.sqrt(data[2]) / 5e2
                    },
                    emphasis: {
                        focus: 'series',
                        label: {
                            show: true,
                            formatter: function (param) {
                                return param.data[3]
                            },
                            position: 'top'
                        }
                    },
                    itemStyle: {
                        shadowBlur: 10,
                        shadowColor: 'rgba(120, 36, 50, 0.5)',
                        shadowOffsetY: 5,
                        color: new echarts.graphic.RadialGradient(0.4, 0.3, 1, [{
                            offset: 0,
                            color: 'rgb(251, 118, 123)'
                        },
                        {
                            offset: 1,
                            color: 'rgb(204, 46, 72)'
                        }
                        ])
                    }
                },
                {
                    name: '2015',
                    data: data[1],
                    type: 'scatter',
                    symbolSize: function (data) {
                        return Math.sqrt(data[2]) / 5e2
                    },
                    emphasis: {
                        focus: 'series',
                        label: {
                            show: true,
                            formatter: function (param) {
                                return param.data[3]
                            },
                            position: 'top'
                        }
                    },
                    itemStyle: {
                        shadowBlur: 10,
                        shadowColor: 'rgba(25, 100, 150, 0.5)',
                        shadowOffsetY: 5,
                        color: new echarts.graphic.RadialGradient(0.4, 0.3, 1, [{
                            offset: 0,
                            color: 'rgb(129, 227, 238)'
                        },
                        {
                            offset: 1,
                            color: 'rgb(25, 183, 207)'
                        }
                        ])
                    }
                }
                ]
            })
        }
    },

    mounted () {
        this.getBaseBarData()
        this.getBaseLineData()
        this.getBasePieData()
        this.getBaseDotData()
        this.getBaseDotData()
        this.getGdpData()
    }
}
</script>

<style scoped>
#container {
  width: 100%;
  height: auto;
}

.div-breadcrumb {
  width: auto;
  margin: 20px 30px 0px 30px;
}

.statistics-box {
  margin: 5px 30px 0px 30px;
  display: flex;
  flex-flow: row wrap;
  justify-content: space-between;
}

.count-item {
  width: calc((100% - 30px) / 2);
  height: 390px;
  min-height: 390px;
  margin: 5px 0px 5px 0px;
  padding: 5px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #fff;
  border-radius: 4px;
  text-shadow: 10px 5px;
}

.echart-bar-box {
}

#echart-bar {
  width: 100%;
  height: 390px;
}

.echart-line-box {
}

#echart-line {
  width: 100%;
  height: 390px;
}

.echart-pie-box {
}

#echart-pie {
  width: 100%;
  height: 390px;
}

.echart-dot-box {
}

#echart-dot {
  width: 100%;
  height: 390px;
}

.gdp-box {
}

#gdp {
  width: 100%;
  height: 390px;
}

.is-selected {
  color: #ff0000;
}
</style>
